may counterassault
Regular verb: counterassault - counterassaulted- counterassaulted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may counterassault
you may counterassault
he may counterassault
we may counterassault
you may counterassault
they may counterassault 	I may be counterassaulting
you may be counterassaulting
he may be counterassaulting
we may be counterassaulting
you may be counterassaulting
they may be counterassaulting	I may have counterassaulted
you may have counterassaulted
he may have counterassaulted
we may have counterassaulted
you may have counterassaulted
they may have counterassaulted	I may have been counterassaulting
you may have been counterassaulting
he may have been counterassaulting
we may have been counterassaulting
you may have been counterassaulting
they may have been counterassaulting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't counterassault
you mayn't counterassault
he mayn't counterassault
we mayn't counterassault
you mayn't counterassault
they mayn't counterassault 	I mayn't be counterassaulting
you mayn't be counterassaulting
he mayn't be counterassaulting
we mayn't be counterassaulting
you mayn't be counterassaulting
they mayn't be counterassaulting	I mayn't have counterassaulted
you mayn't have counterassaulted
he mayn't have counterassaulted
we mayn't have counterassaulted
you mayn't have counterassaulted
they mayn't have counterassaulted	I mayn't have been counterassaulting
you mayn't have been counterassaulting
he mayn't have been counterassaulting
we mayn't have been counterassaulting
you mayn't have been counterassaulting
they mayn't have been counterassaulting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I counterassault?
may you counterassault?
may he counterassault?
may we counterassault?
may you counterassault?
may they counterassault? 	may I be counterassaulting?
may you be counterassaulting?
may he be counterassaulting?
may we be counterassaulting?
may you be counterassaulting?
may they be counterassaulting? 	may I have counterassaulted?
may you have counterassaulted?
may he have counterassaulted?
may we have counterassaulted?
may you have counterassaulted?
may they have counterassaulted? 	may I have been counterassaulting?
may you have been counterassaulting?
may he have been counterassaulting?
may we have been counterassaulting?
may you have been counterassaulting?
may they have been counterassaulting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I counterassault?
mayn't you counterassault?
mayn't he counterassault?
mayn't we counterassault?
mayn't you counterassault?
mayn't they counterassault? 	mayn't I be counterassaulting?
mayn't you be counterassaulting?
mayn't he be counterassaulting?
mayn't we be counterassaulting?
mayn't you be counterassaulting?
mayn't they be counterassaulting? 	mayn't I have counterassaulted?
mayn't you have counterassaulted?
mayn't he have counterassaulted?
mayn't we have counterassaulted?
mayn't you have counterassaulted?
mayn't they have counterassaulted? 	mayn't I have been counterassaulting?
mayn't you have been counterassaulting?
mayn't he have been counterassaulting?
mayn't we have been counterassaulting?
mayn't you have been counterassaulting?
mayn't they have been counterassaulting?